A circular, single or multipiece item, metallic or nonmetallic in composition, designed to be fitted in a circumferential groove in a piston and to spring outward against the cylinder wall to function as a seal or wiper. It is supplied in various cross-sectional shapes and is cut through at one point to allow for installation in the piston ring groove. It may include an expander. Excludes packing, preformed; retainer, oil seal; retainer, packing; ring, retaining; ring wiper; and seal ring, metal.
Classification: Parts nesoi, of compressors other than refrigerating and air conditioning compressors
NSN 5945-01-381-1878
NSN 5960-01-032-4229
NSN 5925-01-162-4598
NSN 5985-01-436-2899
NSN 4140-01-381-0099
NSN 5915-01-389-7313
NSN 5905-00-886-5279
NSN 7035-01-376-3843
NSN 6135-00-274-4037
NSN 5999-01-577-2453
NSN 2925-01-167-6500
NSN 5965-01-181-5706